{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["education degree", "education institution", "place of birth"], "input": "Martins Ziverts was born in Mezmuiza, then in Dvinsk uyezd, Vitebsk Governorate, Russian Empire, now in Vipe parish, Krustpils municipality, Latvia. He studied philosophy at the University of Latvia in Riga, later working as an editor and dramaturgist at the National Theater in Riga. He came to Sweden as a refugee in 1944. While he often worked as a laborer, he continued to write and direct plays, and served as chairman of the Latvian PEN center. He wrote almost 40 plays in several genres."}
{"education degree": [], "education institution": [{"subject": "Martins Ziverts", "object": "University of Latvia"}], "place of birth": []}